step drill bit

Usage & Application:
1)For oil drilling
2)For gas drilling
3)For mining bits
4)For coal drilling...

Model NO.: TSP diamond insert diamond drill bit Type: Cylinder Tsp Material: Diamond Customized: Customized Usage: Drilling, Abrasive and Carving Kind

301 PCS Drill Bit Set

Threaded button rock drill bit
1.Model:R22,R25,R32,R38,T38,T45,T51;
2.Tip Types:Round, Parabolic, Ballistic;
3.Application:Mining, Drilling, etc

PDC cutter/ PDC inserts/ PDC cutter 1008/ PDC insert , PDC cutter for mining, pdc cutter
The PDC cutter has high abrasive resistance.

NON SPARKING NON MAGNETIC BERYLLIUM COPPER TWIST DRILL BIT
They are mainly used in hazardous environment where flammable

This TCI tricone bit used for water well drilling. For soft to medium hard rocks.Application: soft shale, medium soft limestone, medium soft sandston

Threaded button rock drill bit
1.Model:R22,R25,R32,R38,T38,T45,T51;
2.Tip Types:Round, Parabolic, Ballistic;
3.Application:Mining, Drilling, etc

1.High Abrasion tungsten carbide material
2.High performance PDC-Cutters
3.Threaded or Plain Carbide Nozzles for Flushing

Drills-king concave bits pdc drill bits is mainly used for water well, geothermal well, geological exploration borehole, gas drainage hole

1. Suitable for precise centering drilling with high machining accuracy
2. Made of emery, sharp and durable

Three Blades PDC Drill Bit

Thread tungsten carbide drill button bit
1.Thread of drill button bit:R22,R25,R28,R32,R38
2.Face of drill button bit:Flat, drop center

Yichuan rock bit sealed bearing tricone bit water rock drill bit

1) material: AISI4145H steel and heat treated
2) The bit size: 12 1/4''
3) connection: 6 5/8'' API Reg
4) blade type: 4 blades
5) cutter size:16mm

1Certified by ISO9001&API
2Used for water well, oil field
3IADC:114-117,127,437,517,617,637
4.type:3-8blades
5.delivery on time

 
Overburden Drill Bit overburden drilling system 70mm - 400mm OD
 
Details Des

which is suitable for drilling in soft to medium hard stratum, and has better advantages in overcoming incomplete stratum drilling

High temperature heat treatment forged alloy steel. Carbide teeth with high strength and toughness work more efficiently

1. Seven Blades and Capacious Flume
2. High wear resistance cutters.
3. Oppose-circumnutation design.
4. suitable for medium to hard formation.

A complete line from 3 7/8'' (98mm)~26''(660mm);
IADC code in all sizes and in stocks;
Used for oil/water well,mining,etc;

Wireline impregnate diamond core drill bit
The impregnated diamond core bits are the most commonly useful bit

 
4" 5" Spherical Retractable Drill Bit ST68 102mm 115mm 127mm
 
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 Retractable Drill Bit Tungsten Carbide And High Strength Alloy Steel R38
 

Size:17 1/2'' (444.5mm)
IADC:HA537
Sealed Type:rubber sealed journal bearing
Thread Connection:7 5/8" reg pin
Weight(kgs/pc):255.0kg

1) Be used for water well, oil field, underground, construction, geothermal, directional boring
2) Various of model and dimension available

Specifications 1.best quality for 6"~17 1/2"
2.high quality,best price
4.number of blade :4,5,6,7,8,9,...

 
Dongguan Qiandao Precision Machinery Manufacture Co., Ltd is professional machinery&n

 
In order to serve our customer more fast and convenient, we have branc

Yichuan bit 16" iadc537 tci drill bit water well drilling bit